C.I. Solvent Yellow 14

Overview IFRA Request a quote

  • Identifiers

    CAS number
    842-07-9

    Molecular formula
    C16H12N2O

    SMILES
    C1=CC=C(C=C1)N=NC2=C(C=CC3=CC=CC=C32)O

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

  • Odor profile

    Fruity 43.16%
    Floral 41.17%
    Sweet 29.55%
    Bitter 29.47%
    Grape 28.6%
    Spicy 27.96%
    Burnt 26.84%
    Neroli 25.76%
    Phenolic 24.49%
    Honey 24.12%

    Scent© AI

  • Properties

    XLogP3-AA
    4.1

    pKa est.
    7.8 (neutral)

    Molecular weight
    248.28 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Melting point expt.

    • 268 to 271 °F (NTP, 1992)
    • 134 °C

    Boiling point

    • greater than 212 °F at 760 mmHg (sublimes) (NTP, 1992)

    Flash point est.
    224.74 ˚C

    Solubility expt.

    • less than 0.1 mg/mL at 64 °F (NTP, 1992)
    • SOL IN ETHANOL, ACETONE, ETHER & BENZENE; INSOL IN WATER
    • SOL IN PETROLEUM ETHER, CARBON DISULFIDE, CONCN HYDROCHLORIC ACID

  • Synonyms

    • Sudan I
    • 842-07-9
    • Solvent Yellow 14
    • 1-Phenylazo-2-naphthol
    • C.I. Solvent Yellow 14
    • 1-(Phenylazo)-2-naphthalenol
    • Fast Orange
    • Grasal Orange
    • Soudan I
    • Pyronalorange
    • Carminaph
    • Dunkelgelb
    • SUDAN 1
    • Fettorange lg
    • Cerotinorange G
    • Organol Orange
    • Stearix Orange
    • Fettorange R
    • Motiorange R
    • Scharlach B
    • Calcogas M
    • Orange Pel
    • Fettorange 4a
    • Grasan Orange R
    • Sansel Orange G
    • Ceres Orange R
    • Enial Orange I
    • Oleal Orange R
    • Sudan Orange R
    • Sudan Orange RA
    • Atul Orange R
    • Resinol Orange R
    • Somalia Orange I
    • Sudan J
    • Fat Orange G
    • Fat Orange I
    • Fat Orange R
    • Fat Orange RS
    • Resoform Orange G
    • Waxoline Yellow I
    • Lacquer Orange VG
    • Waxakol Orange GL
    • Fat Orange 4A
    • Fat Soluble Orange
    • Orange A L'Huile
    • Calcogas Orange NC
    • Silotras Orange TR
    • Waxoline Yellow IM
    • Waxoline Yellow IP
    • Waxoline Yellow IS
    • 2-Naphtholazobenzene
    • Dispersol Yellow PP
    • Orange Insoluble Olg
    • 2-Naphthalenol, 1-(phenylazo)-
    • Tertrogras Orange SV
    • Morton Orange Y
    • Sudan Orange RA New
    • 1-Benzoazo-2-naphthol
    • Benzeneazo-beta-naphthol
    • Plastoresin Orange F4A
    • Orange Resenole No. 3
    • Orange 2 Insoluble
    • 1-(phenyldiazenyl)naphthalen-2-ol
    • Solvent Yellow No. 14
    • Disperse Yellow 97
    • Benzene-1-azo-2-naphthol
    • Fettorange IG
    • Orange Soluble A L'Huile
    • 1-Benzeneazo-2-naphthol
    • Orange Resenole 3
    • 2-Naphthol, 1-(phenylazo)-
    • Orange 3RA Soluble in Grease
    • 2-Hydroxynaphthyl-1-azobenzene
    • 1-Phenylazo-beta-naphthol
    • 1-phenyldiazenylnaphthalen-2-ol
    • 2-Hydroxy-1-phenylazonaphthalene
    • C.I. 12055
    • ci solvent yellow 14
    • NCI-C53929
    • Zlut rozpoustedlova 14
    • Fat Orange G (VAN)
    • 1-(Phenylazo)-2-naphthol
    • C.I. Disperse Yellow 97
    • CI 12055
    • alpha-Phenylazo-beta-naphthol
    • CCRIS 174
    • Zlut rozpoustedlova 14 [Czech]
    • C16H12N2O
    • HSDB 4132
    • EINECS 212-668-2
    • NSC 11227
    • NSC 51524
    • BRN 0651992
    • 48I7IBB68J
    • DTXSID4021135
    • CHEBI:30958
    • Waxoline Orange EP-FW
    • C.I Solvent yellow 14
    • MFCD00003911
    • NSC-11227
    • NSC-51524
    • SUDAN I [IARC]
    • Benzeneazo-.beta.-naphthol
    • 2-Naphthalenol, 1-(2-phenyldiazenyl)-
    • 1-Phenylazo-.beta.-naphthol
    • 1-(2-Hydroxynaphthyl)azobenzene
    • DTXCID50809767
    • 1-(Phenylazo)-2-hydroxynaphthalene
    • 4-16-00-00228 (Beilstein Handbook Reference)
    • 1-[(E)-Phenyldiazenyl]-2-naphthol
    • 40339-35-3
    • (E)-1-(phenyldiazenyl)naphthalen-2-ol
    • C.I. SOLVENT YELLOW 14 [HSDB]
    • SUDAN I (IARC)
    • WLN: L66J BNUNR& CQ
    • CAS-842-07-9
    • 1-(2-PHENYLHYDRAZIN-1-YLIDENE)NAPHTHALEN-2-ONE
    • UNII-48I7IBB68J
    • C. I. Solvent Yellow 14
    • Sudangelb
    • Sudan centn
    • 1-phenylazo-2-hydroxynaphthalene
    • 1Benzoazo2naphthol
    • 2Naphtholazobenzene
    • 1Phenylazo2naphthol
    • Benzene1azo2naphthol
    • Oil Orange R14
    • 1,2-naphthoquinone-1-phenylhydrazone

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 9.44
    methanol 8.23
    isopropanol 4.64
    water 0.0
    ethyl acetate 87.79
    n-propanol 8.3
    acetone 99.19
    n-butanol 8.45
    acetonitrile 27.75
    DMF 177.85
    toluene 72.92
    isobutanol 5.25
    1,4-dioxane 159.72
    methyl acetate 91.98
    THF 419.7
    2-butanone 102.18
    n-pentanol 7.93
    sec-butanol 6.56
    n-hexane 0.75
    ethylene glycol 1.9
    NMP 99.0
    cyclohexane 1.14
    DMSO 160.94
    n-butyl acetate 58.72
    n-octanol 5.18
    chloroform 116.59
    n-propyl acetate 53.3
    acetic acid 31.44
    dichloromethane 174.17
    cyclohexanone 121.43
    propylene glycol 3.5
    isopropyl acetate 55.43
    DMAc 211.72
    2-ethoxyethanol 28.98
    isopentanol 10.76
    n-heptane 1.51
    ethyl formate 33.32
    1,2-dichloroethane 255.68
    n-hexanol 11.8
    2-methoxyethanol 57.06
    isobutyl acetate 34.74
    tetrachloromethane 3.19
    n-pentyl acetate 26.17
    transcutol 412.05
    n-heptanol 6.35
    ethylbenzene 26.36
    MIBK 49.13
    2-propoxyethanol 45.43
    tert-butanol 10.71
    MTBE 26.79
    2-butoxyethanol 24.81
    propionic acid 18.53
    o-xylene 22.43
    formic acid 6.62
    diethyl ether 47.41
    m-xylene 26.37
    p-xylene 26.2
    chlorobenzene 77.53
    dimethyl carbonate 64.09
    n-octane 0.72
    formamide 28.23
    cyclopentanone 236.6
    2-pentanone 77.41
    anisole 81.15
    cyclopentyl methyl ether 72.03
    gamma-butyrolactone 247.3
    1-methoxy-2-propanol 41.78
    pyridine 265.19
    3-pentanone 63.87
    furfural 213.79
    n-dodecane 0.84
    diethylene glycol 29.46
    diisopropyl ether 11.18
    tert-amyl alcohol 10.26
    acetylacetone 163.39
    n-hexadecane 1.04
    acetophenone 69.93
    methyl propionate 77.52
    isopentyl acetate 57.15
    trichloroethylene 485.04
    n-nonanol 6.55
    cyclohexanol 10.46
    benzyl alcohol 32.84
    2-ethylhexanol 11.74
    isooctanol 7.25
    dipropyl ether 33.09
    1,2-dichlorobenzene 64.47
    ethyl lactate 20.81
    propylene carbonate 94.08
    n-methylformamide 44.8
    2-pentanol 6.38
    n-pentane 0.46
    1-propoxy-2-propanol 33.39
    1-methoxy-2-propyl acetate 90.34
    2-(2-methoxypropoxy) propanol 50.05
    mesitylene 12.78
    ε-caprolactone 102.63
    p-cymene 12.93
    epichlorohydrin 486.3
    1,1,1-trichloroethane 68.53
    2-aminoethanol 5.32
    morpholine-4-carbaldehyde 137.39
    sulfolane 216.78
    2,2,4-trimethylpentane 0.92
    2-methyltetrahydrofuran 107.33
    n-hexyl acetate 31.78
    isooctane 0.84
    2-(2-butoxyethoxy)ethanol 72.52
    sec-butyl acetate 42.05
    tert-butyl acetate 63.98
    decalin 2.01
    glycerin 8.95
    diglyme 216.93
    acrylic acid 25.86
    isopropyl myristate 17.98
    n-butyric acid 32.46
    acetyl acetate 64.23
    di(2-ethylhexyl) phthalate 16.08
    ethyl propionate 54.42
    nitromethane 166.25
    1,2-diethoxyethane 114.48
    benzonitrile 55.68
    trioctyl phosphate 9.69
    1-bromopropane 49.84
    gamma-valerolactone 263.22
    n-decanol 5.53
    triethyl phosphate 26.7
    4-methyl-2-pentanol 7.29
    propionitrile 26.17
    vinylene carbonate 91.06
    1,1,2-trichlorotrifluoroethane 119.78
    DMS 72.0
    cumene 13.64
    2-octanol 4.22
    2-hexanone 52.44
    octyl acetate 18.82
    limonene 15.38
    1,2-dimethoxyethane 138.34
    ethyl orthosilicate 23.96
    tributyl phosphate 15.2
    diacetone alcohol 57.96
    N,N-dimethylaniline 35.51
    acrylonitrile 56.63
    aniline 49.92
    1,3-propanediol 11.45
    bromobenzene 88.2
    dibromomethane 79.9
    1,1,2,2-tetrachloroethane 270.73
    2-methyl-cyclohexyl acetate 37.97
    tetrabutyl urea 20.7
    diisobutyl methanol 11.37
    2-phenylethanol 33.82
    styrene 38.59
    dioctyl adipate 32.17
    dimethyl sulfate 94.89
    ethyl butyrate 55.32
    methyl lactate 30.29
    butyl lactate 20.88
    diethyl carbonate 38.93
    propanediol butyl ether 19.16
    triethyl orthoformate 37.2
    p-tert-butyltoluene 12.86
    methyl 4-tert-butylbenzoate 42.85
    morpholine 140.61
    tert-butylamine 5.47
    n-dodecanol 4.85
    dimethoxymethane 156.82
    ethylene carbonate 59.43
    cyrene 39.57
    2-ethoxyethyl acetate 65.76
    2-ethylhexyl acetate 42.67
    1,2,4-trichlorobenzene 84.34
    4-methylpyridine 154.26
    dibutyl ether 26.9
    2,6-dimethyl-4-heptanol 11.37
    DEF 86.86
    dimethyl isosorbide 119.34
    tetrachloroethylene 113.4
    eugenol 40.0
    triacetin 53.96
    span 80 29.19
    1,4-butanediol 2.98
    1,1-dichloroethane 77.4
    2-methyl-1-pentanol 12.4
    methyl formate 50.6
    2-methyl-1-butanol 9.05
    n-decane 1.23
    butyronitrile 21.9
    3,7-dimethyl-1-octanol 10.6
    1-chlorooctane 7.12
    1-chlorotetradecane 3.72
    n-nonane 0.93
    undecane 0.99
    tert-butylcyclohexane 2.09
    cyclooctane 0.6
    cyclopentanol 12.55
    tetrahydropyran 107.36
    tert-amyl methyl ether 25.05
    2,5,8-trioxanonane 129.33
    1-hexene 7.77
    2-isopropoxyethanol 21.11
    2,2,2-trifluoroethanol 10.3
    methyl butyrate 68.98

    Scent© AI

1 4

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction